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4" Mainline ABS Backwater Valve
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
4" Mainline ABS Backwater Valve Features
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Mainline Fullport Backwater Valve - 4" Normally Open - ABS
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Unique Patented Design Nearly Eliminates Failure and Allows for Easy Cleaning and Rodding
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Clear top allows for easy inspection
About 4" Mainline ABS Backwater Valve
The Mainline #4963 Full-Port Backwater Valve is typically installed in homes or buildings that have basements, cellars, crawl spaces or area that are accessible for servicing. The normally open gate allows the sewer system to ‘vent’ any gases that may be causes by positive or negative pressures in the sewer line. The 4963 has a ‘Clear View’ top that makes inspection of the valve quick and simple for the building owner or plumber! As well, the 4963 comes with an integral clean-out for rodding the sewer lateral. Should rodding from the stack be necessary, the snake can easily pass over the open gate and be retracted with out doing any harm to the components.
